Finding the Fourth Proportional to 1,036.48, 1,429.86 and 722.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036.48 : 1,429.86 = 722.52 : x
2. Step 2: Convert to fraction form
   1,036.48/1,429.86 = 722.52/x
3. Step 3: Cross multiply
   1,036.48x = 1,429.86 × 722.52
4. Step 4: Simplify right side
   1,036.48x = 1,033,102.45
5. Step 5: Solve for x
   x = 1,033,102.45/1,036.48
6. Step 6: Final answer
   x = 996.74